In the chemical formula 3nh3, how many atoms of hydrogen (h) are there? 3 6 9 11
2 answers:
<u>Answer:</u> There are 9 hydrogen atoms in the given chemical formula.
<u>Explanation:</u>
We are given a chemical formula of ammonia which is
This molecule is formed by the combination of hydrogen and nitrogen atoms.
In 1 mole of ammonia, 1 atom of nitrogen is there and 3 atoms of hydrogen is there.
We are given:
Moles of ammonia = 3
So, 3 atoms of nitrogen is there and 9 atoms of hydrogen is there.
Hence, there are 9 hydrogen atoms in the given chemical formula.
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The number of moles present in 29.5 grams of argon is 0.74 mole.
The atomic mass of argon is given as;
Ar = 39.95 g/mole
The number of moles present in 29.5 grams of argon is calculated as follows;
39.95 g ------------------------------- 1 mole
29.5 g ------------------------------ ?
Thus, the number of moles present in 29.5 grams of argon is 0.74 mole.
<em>"Your question seems to be missing the correct symbol for the element" </em>
Argon = Ar
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